116214551 has 2 divisors, whose sum is σ = 116214552. Its totient is φ = 116214550.

The previous prime is 116214547. The next prime is 116214559. The reversal of 116214551 is 155412611.

It is a weak prime.

It is an emirp because it is prime and its reverse (155412611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116214551 - 2² = 116214547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116214551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116214559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58107275 + 58107276.

It is an arithmetic number, because the mean of its divisors is an integer number (58107276).

Almost surely, 2^116214551 is an apocalyptic number.

116214551 is a deficient number, since it is larger than the sum of its proper divisors (1).

116214551 is an equidigital number, since it uses as much as digits as its factorization.

116214551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 26.

The square root of 116214551 is about 10780.2852930709. The cubic root of 116214551 is about 488.0003905197. Note that the first 3 decimals are identical.

The spelling of 116214551 in words is "one hundred sixteen million, two hundred fourteen thousand, five hundred fifty-one".